/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartitionStreamingSource.h
static bool IsSourceAffectingGrid ( const [TSet](API\Runtime\Core\Containers\TSet)< [FName](API\Runtime\Core\UObject\FName) > & InSourceTargetGrids, const [TSet](API\Runtime\Core\Containers\TSet)< [FSoftObjectPath](API\Runtime\CoreUObject\UObject\FSoftObjectPath) > & InSourceTargetHLODLayers, EStreamingSourceTargetBehavior InSourceTargetBehavior, [FName](API\Runtime\Core\UObject\FName) InGridName, const [FSoftObjectPath](API\Runtime\CoreUObject\UObject\FSoftObjectPath) & InGridHLODLayer )